## Abstract Oxidation of 7,8‐diaminotheophylline (1) with lead tetraacetate in refluxing toluene gave a mixture of 3‐amino‐5,7‐dimethylpyrimido[4,5‐__e__][1,2,4]triazine‐6,8‐dione (**2**) and 6‐cyanoimino‐5‐diazo‐1,3‐dimethylpyrimidine‐2,4‐dione (**4**). The latter was transformed to **2** by the r
✦ LIBER ✦
Mechanistic aspects of the oxidation of 1,3-disubstituted 6-amino-5-nitrosouracils with lead tetraacetate: the formation of pyrimido[5,4-g]pteridinetetrone 10-oxides
✍ Scribed by Sako, Magoichi; Ohara, Seiji; Hirota, Kosaku; Kano, Keuji; Maki, Yoshifumi; Taylor, Edward C.
- Book ID
- 119954485
- Publisher
- American Chemical Society
- Year
- 1991
- Tongue
- English
- Weight
- 631 KB
- Volume
- 56
- Category
- Article
- ISSN
- 0022-3263
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